Digestive tract early cancer
Conditions
Interventions
Index test:Multi-energy spectrum CT, Energy Spectrum Computerized Tomography Artificial Intelligence model (EnSpeAI),
Sponsors
Department of Gastroenterology & Hepatology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: (1) Patients diagnosed with digestive tract early cancer by pathological biopsy; (2) There was no history of radiotherapy or chemotherapy before energy spectrum CT examination; (3) Sign the inspection consent before the inspection; (4) The image quality of energy spectrum CT examination is satisfactory, and the amount of data meets the requirements of image analysis
Exclusion criteria
Exclusion criteria: (1) Refuse to cooperate with the inspection; (2) those who have serious underlying diseases or complicated with esophago-related diseases, and cannot cooperate well with examination, such as severe upper gastrointestinal bleeding, severe esophageal obstruction, esophageal perforation, etc.; (3) pregnant or breast-feeding women; (4) lack of picture information of upper gastrointestinal endoscopy; (5) The image quality of energy spectrum CT examination is poor or the information obtained is incomplete; (6) The lesion size is not enough to outline the Region of Interest (ROI). (7) allergic to iodine contrast media, or complicated with thyroid disease, cannot use iodine contrast media;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| ROC curve;Mean values of monochromatic CT values at 40-140 kev; | — |
Secondary
| Measure | Time frame |
|---|---|
| Sensitivity;Specificity ;Accuracy;Standard deviation of monochromatic CT values at 40-140 kev;Mean values of Effective-Z;Standard deviation of Effective-Z;Mean values of base matter pair density;Standard deviation of base matter pair density;Area Under The Curve; | — |
Countries
China
Contacts
Public ContactKai Deng
Department of Gastroenterology & Hepatology, West China Hospital, Sichuan University
Outcome results
None listed